Science week 2

Sophia

17 cards·by Kristieharp

Atom

A tiny building block of matter made of protons neutrons and electrons.

Atomic Number

The number of protons in an atom.

Compound

Atoms of more than one type of element that are chemically bonded together.

Density

Measurement of the mass of an object, divided by its volume. D=M/V

Electron

A particle with a negative charge.

Element

A substance that is made of only one type of atom.

Heterogeneous Mixture

A mixture which is evenly mixed throughout.

Homogeneous Mixture

A Mixture which is evenly mixed throughout.

Ion

Electrically charged atom whose charge results from an atom losing or gaining electrons.

Isotope

Atoms of the same element that have different numbers of neutrons.

Mass Number

Is the number of protons plus the number of neutrons in an atom. P + N

Matter

Anything that has mass and takes up space.

Muxture

Composed of two or more substances that are not chemically combined.

Molecule

A group of atoms connected by covalent bonds.

Neutron

A particle without an electric charge.

Proton

A particle that has a positive electric charge.

Solution

A Mixture which is evenly mixed throughout.